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   &#160;<span id="projectnumber">Version 2.7.1</span>
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   <div id="projectbrief">Peripheral Interface for Middleware and Application Code</div>
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<div class="header">
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<a href="#define-members">Macros</a>  </div>
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<div class="title">USART Events<div class="ingroups"><a class="el" href="group__usart__interface__gr.html">USART Interface</a></div></div>  </div>
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<p>The USART driver generates call back events that are notified via the function <a class="el" href="group__usart__interface__gr.html#gad796cd023f8f6300a6caadcc39d43cbf">ARM_USART_SignalEvent</a>.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gaae1c626192b16ccace93f3546e7884bf"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#gaae1c626192b16ccace93f3546e7884bf">ARM_USART_EVENT_SEND_COMPLETE</a>&#160;&#160;&#160;(1UL &lt;&lt; 0)</td></tr>
<tr class="memdesc:gaae1c626192b16ccace93f3546e7884bf"><td class="mdescLeft">&#160;</td><td class="mdescRight">Send completed; however USART may still transmit data.  <a href="#gaae1c626192b16ccace93f3546e7884bf">More...</a><br/></td></tr>
<tr class="separator:gaae1c626192b16ccace93f3546e7884bf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga08b165fd8525e44e3ce42ed6183cd30a"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga08b165fd8525e44e3ce42ed6183cd30a">ARM_USART_EVENT_RECEIVE_COMPLETE</a>&#160;&#160;&#160;(1UL &lt;&lt; 1)</td></tr>
<tr class="memdesc:ga08b165fd8525e44e3ce42ed6183cd30a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Receive completed.  <a href="#ga08b165fd8525e44e3ce42ed6183cd30a">More...</a><br/></td></tr>
<tr class="separator:ga08b165fd8525e44e3ce42ed6183cd30a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0599793e6aa531d56ff9f81ff12605d7"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga0599793e6aa531d56ff9f81ff12605d7">ARM_USART_EVENT_TRANSFER_COMPLETE</a>&#160;&#160;&#160;(1UL &lt;&lt; 2)</td></tr>
<tr class="memdesc:ga0599793e6aa531d56ff9f81ff12605d7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transfer completed.  <a href="#ga0599793e6aa531d56ff9f81ff12605d7">More...</a><br/></td></tr>
<tr class="separator:ga0599793e6aa531d56ff9f81ff12605d7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga12872a3b04343f97d9535b5b0d37286d"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga12872a3b04343f97d9535b5b0d37286d">ARM_USART_EVENT_TX_COMPLETE</a>&#160;&#160;&#160;(1UL &lt;&lt; 3)</td></tr>
<tr class="memdesc:ga12872a3b04343f97d9535b5b0d37286d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transmit completed (optional)  <a href="#ga12872a3b04343f97d9535b5b0d37286d">More...</a><br/></td></tr>
<tr class="separator:ga12872a3b04343f97d9535b5b0d37286d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae57b9977bd338bf8bef86978843fa443"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#gae57b9977bd338bf8bef86978843fa443">ARM_USART_EVENT_TX_UNDERFLOW</a>&#160;&#160;&#160;(1UL &lt;&lt; 4)</td></tr>
<tr class="memdesc:gae57b9977bd338bf8bef86978843fa443"><td class="mdescLeft">&#160;</td><td class="mdescRight">Transmit data not available (Synchronous Slave)  <a href="#gae57b9977bd338bf8bef86978843fa443">More...</a><br/></td></tr>
<tr class="separator:gae57b9977bd338bf8bef86978843fa443"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga43a0869daf83abb3fea96926a97047ad"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga43a0869daf83abb3fea96926a97047ad">ARM_USART_EVENT_RX_OVERFLOW</a>&#160;&#160;&#160;(1UL &lt;&lt; 5)</td></tr>
<tr class="memdesc:ga43a0869daf83abb3fea96926a97047ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">Receive data overflow.  <a href="#ga43a0869daf83abb3fea96926a97047ad">More...</a><br/></td></tr>
<tr class="separator:ga43a0869daf83abb3fea96926a97047ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga66ee2256571450a3fc3c530344ea9bd7"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga66ee2256571450a3fc3c530344ea9bd7">ARM_USART_EVENT_RX_TIMEOUT</a>&#160;&#160;&#160;(1UL &lt;&lt; 6)</td></tr>
<tr class="memdesc:ga66ee2256571450a3fc3c530344ea9bd7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Receive character timeout (optional)  <a href="#ga66ee2256571450a3fc3c530344ea9bd7">More...</a><br/></td></tr>
<tr class="separator:ga66ee2256571450a3fc3c530344ea9bd7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa1d19e48faf2bdc2a976de448928288e"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#gaa1d19e48faf2bdc2a976de448928288e">ARM_USART_EVENT_RX_BREAK</a>&#160;&#160;&#160;(1UL &lt;&lt; 7)</td></tr>
<tr class="memdesc:gaa1d19e48faf2bdc2a976de448928288e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Break detected on receive.  <a href="#gaa1d19e48faf2bdc2a976de448928288e">More...</a><br/></td></tr>
<tr class="separator:gaa1d19e48faf2bdc2a976de448928288e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga2d97495c650220fbfe9d6977d0953127"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga2d97495c650220fbfe9d6977d0953127">ARM_USART_EVENT_RX_FRAMING_ERROR</a>&#160;&#160;&#160;(1UL &lt;&lt; 8)</td></tr>
<tr class="memdesc:ga2d97495c650220fbfe9d6977d0953127"><td class="mdescLeft">&#160;</td><td class="mdescRight">Framing error detected on receive.  <a href="#ga2d97495c650220fbfe9d6977d0953127">More...</a><br/></td></tr>
<tr class="separator:ga2d97495c650220fbfe9d6977d0953127"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gadb4fec2530fc5ae3ad2b056741883451"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#gadb4fec2530fc5ae3ad2b056741883451">ARM_USART_EVENT_RX_PARITY_ERROR</a>&#160;&#160;&#160;(1UL &lt;&lt; 9)</td></tr>
<tr class="memdesc:gadb4fec2530fc5ae3ad2b056741883451"><td class="mdescLeft">&#160;</td><td class="mdescRight">Parity error detected on receive.  <a href="#gadb4fec2530fc5ae3ad2b056741883451">More...</a><br/></td></tr>
<tr class="separator:gadb4fec2530fc5ae3ad2b056741883451"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga4cd807ca131bdcb1a7eb4f223fa70476"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga4cd807ca131bdcb1a7eb4f223fa70476">ARM_USART_EVENT_CTS</a>&#160;&#160;&#160;(1UL &lt;&lt; 10)</td></tr>
<tr class="memdesc:ga4cd807ca131bdcb1a7eb4f223fa70476"><td class="mdescLeft">&#160;</td><td class="mdescRight">CTS state changed (optional)  <a href="#ga4cd807ca131bdcb1a7eb4f223fa70476">More...</a><br/></td></tr>
<tr class="separator:ga4cd807ca131bdcb1a7eb4f223fa70476"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5afef591c2e8dd9bc4332b7bc8d96309"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga5afef591c2e8dd9bc4332b7bc8d96309">ARM_USART_EVENT_DSR</a>&#160;&#160;&#160;(1UL &lt;&lt; 11)</td></tr>
<tr class="memdesc:ga5afef591c2e8dd9bc4332b7bc8d96309"><td class="mdescLeft">&#160;</td><td class="mdescRight">DSR state changed (optional)  <a href="#ga5afef591c2e8dd9bc4332b7bc8d96309">More...</a><br/></td></tr>
<tr class="separator:ga5afef591c2e8dd9bc4332b7bc8d96309"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga1628b951feba1c851f424ce89da409a4"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#ga1628b951feba1c851f424ce89da409a4">ARM_USART_EVENT_DCD</a>&#160;&#160;&#160;(1UL &lt;&lt; 12)</td></tr>
<tr class="memdesc:ga1628b951feba1c851f424ce89da409a4"><td class="mdescLeft">&#160;</td><td class="mdescRight">DCD state changed (optional)  <a href="#ga1628b951feba1c851f424ce89da409a4">More...</a><br/></td></tr>
<tr class="separator:ga1628b951feba1c851f424ce89da409a4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac17fe5723d4c5923656dadd9d1302154"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__USART__events.html#gac17fe5723d4c5923656dadd9d1302154">ARM_USART_EVENT_RI</a>&#160;&#160;&#160;(1UL &lt;&lt; 13)</td></tr>
<tr class="memdesc:gac17fe5723d4c5923656dadd9d1302154"><td class="mdescLeft">&#160;</td><td class="mdescRight">RI state changed (optional)  <a href="#gac17fe5723d4c5923656dadd9d1302154">More...</a><br/></td></tr>
<tr class="separator:gac17fe5723d4c5923656dadd9d1302154"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>The USART driver generates call back events that are notified via the function <a class="el" href="group__usart__interface__gr.html#gad796cd023f8f6300a6caadcc39d43cbf">ARM_USART_SignalEvent</a>. </p>
<p>This section provides the event values for the <a class="el" href="group__usart__interface__gr.html#gad796cd023f8f6300a6caadcc39d43cbf">ARM_USART_SignalEvent</a> callback function.</p>
<p>The following call back notification events are generated: </p>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="gaae1c626192b16ccace93f3546e7884bf"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_SEND_COMPLETE&#160;&#160;&#160;(1UL &lt;&lt; 0)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Send completed; however USART may still transmit data. </p>

</div>
</div>
<a class="anchor" id="ga08b165fd8525e44e3ce42ed6183cd30a"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_RECEIVE_COMPLETE&#160;&#160;&#160;(1UL &lt;&lt; 1)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Receive completed. </p>

</div>
</div>
<a class="anchor" id="ga0599793e6aa531d56ff9f81ff12605d7"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_TRANSFER_COMPLETE&#160;&#160;&#160;(1UL &lt;&lt; 2)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Transfer completed. </p>

</div>
</div>
<a class="anchor" id="ga12872a3b04343f97d9535b5b0d37286d"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_TX_COMPLETE&#160;&#160;&#160;(1UL &lt;&lt; 3)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Transmit completed (optional) </p>

</div>
</div>
<a class="anchor" id="gae57b9977bd338bf8bef86978843fa443"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
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          <td class="memname">#define ARM_USART_EVENT_TX_UNDERFLOW&#160;&#160;&#160;(1UL &lt;&lt; 4)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Transmit data not available (Synchronous Slave) </p>

</div>
</div>
<a class="anchor" id="ga43a0869daf83abb3fea96926a97047ad"></a>
<div class="memitem">
<div class="memproto">
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          <td class="memname">#define ARM_USART_EVENT_RX_OVERFLOW&#160;&#160;&#160;(1UL &lt;&lt; 5)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Receive data overflow. </p>

</div>
</div>
<a class="anchor" id="ga66ee2256571450a3fc3c530344ea9bd7"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_RX_TIMEOUT&#160;&#160;&#160;(1UL &lt;&lt; 6)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Receive character timeout (optional) </p>

</div>
</div>
<a class="anchor" id="gaa1d19e48faf2bdc2a976de448928288e"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_RX_BREAK&#160;&#160;&#160;(1UL &lt;&lt; 7)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Break detected on receive. </p>

</div>
</div>
<a class="anchor" id="ga2d97495c650220fbfe9d6977d0953127"></a>
<div class="memitem">
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      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_RX_FRAMING_ERROR&#160;&#160;&#160;(1UL &lt;&lt; 8)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Framing error detected on receive. </p>

</div>
</div>
<a class="anchor" id="gadb4fec2530fc5ae3ad2b056741883451"></a>
<div class="memitem">
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          <td class="memname">#define ARM_USART_EVENT_RX_PARITY_ERROR&#160;&#160;&#160;(1UL &lt;&lt; 9)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Parity error detected on receive. </p>

</div>
</div>
<a class="anchor" id="ga4cd807ca131bdcb1a7eb4f223fa70476"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_CTS&#160;&#160;&#160;(1UL &lt;&lt; 10)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>CTS state changed (optional) </p>

</div>
</div>
<a class="anchor" id="ga5afef591c2e8dd9bc4332b7bc8d96309"></a>
<div class="memitem">
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      <table class="memname">
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          <td class="memname">#define ARM_USART_EVENT_DSR&#160;&#160;&#160;(1UL &lt;&lt; 11)</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>DSR state changed (optional) </p>

</div>
</div>
<a class="anchor" id="ga1628b951feba1c851f424ce89da409a4"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define ARM_USART_EVENT_DCD&#160;&#160;&#160;(1UL &lt;&lt; 12)</td>
        </tr>
      </table>
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<p>DCD state changed (optional) </p>

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          <td class="memname">#define ARM_USART_EVENT_RI&#160;&#160;&#160;(1UL &lt;&lt; 13)</td>
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<p>RI state changed (optional) </p>

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